How to efficiently remove a huge number of UV Maps from an object?
as in https://blenderartists.org/forum/showthread.php?254004-Accessing-UV-data-in-Python-script

import bpy
obj= bpy.context.selected_objects
for ob in obj:
    if ob.type == 'MESH':
        bpy.context.scene.objects.active = ob
        while(len(ob.data.uv_textures)):
            bpy.ops.mesh.uv_texture_remove()